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For the Inventor, By the Inventor

Saratoga, CA, United States of America

Yao-Ching Stephen Chen

This inventor holds 29 USPTO granted patents and 1 published patent application and 1 EPO patent, primarily in Database Query Optimization. Top assignee: International Business Machines Corporation. Active years: 1999-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yao-Ching Stephen Chen. Retrieved from https://idiyas.com/inventor/yao-ching-stephen-chen

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 29 

% Patents Active = 31.0


Average Co-Inventor Count = 5.6

ph-index = 10

Forward Citations = 304(Granted Patents)


Location History:

  • San Jose, CA (US) (2008 - 2011)
  • Saratoga, CA (2012)
  • Saratoga, CA (US) (1999 - 2020)
  • Saratogo, CA (US) (2019 - 2021)

Company Filing History:

goldMedal29 out of 166,425 
 
International Business Machines Corporation
 patents

Years Active: 1999-2021

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Areas of Expertise:
Temporal Logical Transactions
Referential Integrity
SQL Query Processing
XML Data Management
Access Control
Materialized Views
Aggregate Processing
Streaming XPath
Subquery Correlation
Dynamic Tables
Cost-Based Optimization
Efficient Schema Validation
29 patents (USPTO):Explore Patents
1. 10901854 - Temporal logical transactions (2021-01-26),
2. 10896096 - Temporal logical transactions (2021-01-19),
3. 10592498 - Enforcing temporal referential integrity (2020-03-17),
4. 10521418 - Enforcing temporal referential integrity (2019-12-31),
5. 9535952 - Dynamic selection of optimal grouping sequence at runtime for grouping sets, rollup and cube operations in SQL query processing (2017-01-03),
6. 9348867 - Method for using multiple plans to achieve temporal and archive transparency performance (2016-05-24),
7. 8930410 - Query transformation for masking data within database objects (2015-01-06),
8. 8572125 - Scalable storage schemes for native XML column data of relational tables (2013-10-29),
9. 8543614 - Packing nodes into records to store XML XQuery data model and other hierarchically structured data (2013-09-24),
10. 8515948 - Managing materialized query tables (MQTS) over fine-grained access control (FGAC) protected tables (2013-08-20),
11. 8234299 - Method and system for using fine-grained access control (FGAC) to control access to data in a database (2012-07-31),
12. 8041726 - System for executing a query having multiple distinct key columns (2011-10-18),
13. 7890479 - Efficient XML schema validation of XML fragments using annotated automaton encoding (2011-02-15),
14. 7840552 - Cost-based subquery correlation and decorrelation (2010-11-23),
15. 7711746 - System and method for deploying an SQL procedure (2010-05-04),

Title: Yao-Ching Stephen Chen: Innovator from Saratoga

Introduction: Yao-Ching Stephen Chen is a renowned inventor based in Saratoga, California. He has made significant contributions to the field of technology and holds multiple patents for his innovative creations.

Latest Patents: Chen's most recent patents focus on advancements in artificial intelligence and renewable energy technologies. These inventions showcase his dedication to creating solutions for a sustainable future.

Career Highlights: With a background in engineering and computer science, Chen has had a successful career working for top tech companies in Silicon Valley. His expertise in cutting-edge technologies has led to the development of groundbreaking inventions.

Collaborations: Throughout his career, Chen has collaborated with leading researchers and scientists to push the boundaries of innovation. His ability to work in multidisciplinary teams has resulted in the creation of revolutionary products that have impacted various industries.

Conclusion: Yao-Ching Stephen Chen's passion for innovation and his commitment to creating a positive impact on society through his inventions make him a standout figure in the world of technology. His continued dedication to pushing the boundaries of what is possible ensures that his legacy as an inventor will endure for years to come.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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